Question

Giving a test to a group of students, the grades and gender are summarized below A B C TotalMale214 4 20Female1018 13 41Total1232 17 61If one student is chosen at random,Find the probability that the student did NOT get an "C". Round your answer to 3 decimal places_____.

Answer 1

Given:

⇒There are 61 students in total.

⇒12 of them got an A while 32 of them got a B.

⇒In total, 44 students did not get a C.

⇒So, 44 out of 61 students did not get a C.

Convert 44/61 into decimal form.

`(44)/(61)=44/61=0.721311\approx0.721`

Answer:

The probability that a randomly chosen student did not get a C is 0.721 approximately.